The great difficulties in threecomponent seismic survey are depressing random noise in acquisition, removing the artificial vertical faults in shear wave section.

• 三分量地震勘探的最大难点是采集上压制随机干扰，处理上去除转换波剖面上同相轴的人为的直立错断（由于通常处理软件不佳引起）。